211203001323 has 12 divisors (see below), whose sum is σ = 307091341648. Its totient is φ = 139869536400.

The previous prime is 211203001307. The next prime is 211203001349. The reversal of 211203001323 is 323100302112.

211203001323 is a `hidden beast` number, since 21 + 1 + 20 + 300 + 1 + 323 = 666.

It is not a de Polignac number, because 211203001323 - 2⁴ = 211203001307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211203001296 and 211203001305.

It is not an unprimeable number, because it can be changed into a prime (211203001523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77703940 + ... + 77706657.

Almost surely, 2^211203001323 is an apocalyptic number.

211203001323 is a deficient number, since it is larger than the sum of its proper divisors (95888340325).

211203001323 is a wasteful number, since it uses less digits than its factorization.

211203001323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155410754 (or 155410751 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 211203001323 its reverse (323100302112), we get a palindrome (534303303435).

The spelling of 211203001323 in words is "two hundred eleven billion, two hundred three million, one thousand, three hundred twenty-three".